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2009 Fiscal Year Annual Research Report

実空間手法を用いた強磁場ナノ領域電子相の解明

Research Project

Project/Area Number 17072003
Research InstitutionTohoku University

Principal Investigator

小林 典男  Tohoku University, 金属材料研究所, 教授 (40111306)

Co-Investigator(Kenkyū-buntansha) 為ヶ井 強  東京大学, 大学院・工学系研究科, 准教授 (30183073)
花栗 哲郎  独立行政法人理化学研究所, 高木磁性研究室, 専任研究員 (40251326)
音 賢一  千葉大学, 大学院・理学研究科, 准教授 (30263198)
町田 一成  岡山大学, 大学院・自然科学研究科, 教授 (50025491)
西嵜 照和  東北大学, 金属材料研究所, 助教 (90261510)
Keywords走査トンネル顕微鏡 / 強磁場 / 酸化物超伝導体 / 2次元電子系 / トポロジカル絶縁体 / ギャップ対称性 / 電子スピン偏極 / 磁気光学効果
Research Abstract

強磁場走査トンネル顕微鏡(STM)を用いて以下の成果を得た。(1)30Tハイブリッドマグネット中で実験が可能な強磁場STM測定システムを開発した。(2)27Tまでの磁場中において、グラファイトの1原子層ステップの観測に成功した。(3)銅酸化物超伝導体(Pb,Bi)_2Sr_2CuO_yのトンネル分光を行い、磁場中における電子秩序状態を見出した。(4)トポロジカル絶縁体Bi_2Se_3表面のヘリカルDirac電子の性質を調べた。特に磁場中でLandau準位の観測に成功し、Dirac電子固有の状態が存在することを確認した。また、Landau準位からバンド分散を求める新しい手法を提示した。
最適ドープのCo-BaFe_2As_2に金を照射することにより、臨界電流密度が5倍以上増大することを初めて示した。また、これまで作製の難しかった良質のFe(Te,Se)単結晶作製に除冷法+低温アニールにより成功し、超伝導体に典型的な磁化曲線を初めて測定することに成功した。
特異なクーパー対を有する超伝導体のギャップ対称性を同定するための方法を理論的に考察した。磁場の方向を結晶軸に相対的に変化させて比熱を測定することによってノード位置を的確に決定できることを理論的に明らかにし、CeCoIn_5がd_<x2-y2>対称であることを実験グループとの共同研究の中で示した。
量子井戸2次元電子系の電子スピン偏極について光磁気カー効果を用いて極低温・強磁場イメージング測定系を開発し、量子ホール電流や電子濃度の僅かな揺らぎの実空間分布が計測可能であることを実証した。また量子ホール電子系の様々な多体効果による励起がスピン緩和に関与していることを明らかにした。

  • Research Products

    (143 results)

All 2010 2009 Other

All Journal Article (55 results) (of which Peer Reviewed: 55 results) Presentation (86 results) Book (1 results) Remarks (1 results)

  • [Journal Article] Phase Transition of Josephson Vortices Under High Magnetic Fields up to 30 T in Heavily Overdoped YBa_2Cu_3O_<7-δ>Single Crystals2010

    • Author(s)
      T.Naito, et al.
    • Journal Title

      J Low Temp Phys 159

      Pages: 168-171

    • Peer Reviewed
  • [Journal Article] Lattice orientations of driven vortex matter in amorphous MoGe films2010

    • Author(s)
      N.Kokubo, et al.
    • Journal Title

      Physica C 470

      Pages: 43-47

    • Peer Reviewed
  • [Journal Article] The local effect of magnetic impurities on superconductivity in Co_xNbSe_2 and Mn_xNbSe_2 single crystals2010

    • Author(s)
      M.Iavarone, et al.
    • Journal Title

      J.Phys.: Condens.Matter 22

      Pages: 015501(6)

    • Peer Reviewed
  • [Journal Article] Graphene-like magneto-oscillations in graphite capacitor2010

    • Author(s)
      T.Yoshida, et al.
    • Journal Title

      Physica E 42

      Pages: 684-686

    • Peer Reviewed
  • [Journal Article] Sign Reversal of Field-Angle Resolved Heat Capacity Oscillations in a Heavy Fermion Superconductor CeCoIn5 and dx2-y2 Pairing Symmetry2010

    • Author(s)
      K.An, et al.
    • Journal Title

      Phys.Rev.Lett 104

      Pages: 037002, 1-4

    • Peer Reviewed
  • [Journal Article] Textures and Exotic Vortices in Neutral Fermion Superfluids2010

    • Author(s)
      K.Machida, et al.
    • Journal Title

      J.Low Temp.Phys 158

      Pages: 377-383

    • Peer Reviewed
  • [Journal Article] Generic First-Order Orientation Transition of Vortex Lattices in Type II Superconductors2010

    • Author(s)
      K.M.Suzuki, et al.
    • Journal Title

      J.Phys.Soc.Jpn. 79

      Pages: 013702, 1-4

    • Peer Reviewed
  • [Journal Article] Unconventignal s-Wave Superconductivity in Fe(Se, Te)2010

    • Author(s)
      T.Hanaguri, et al.
    • Journal Title

      Science (印刷中)

    • Peer Reviewed
  • [Journal Article] Critical Current Densities and Vortex Dynamics in Ba(Fe_<1-x>Co_x)_2As_2 Single Crystals2010

    • Author(s)
      T.Tamegai, et al.
    • Journal Title

      J.Supercond.Novel Mag. (印刷中)

    • Peer Reviewed
  • [Journal Article] Effects of heavy-ion irradiation on the vortex state in Ba(Fe_<1-x>Co_x)_2As_22010

    • Author(s)
      T.Tamegai, et al.
    • Journal Title

      Physica C 470(印刷中)

    • Peer Reviewed
  • [Journal Article] Impurity Effects in Two-Gap superconductor Lu_2Fe_3Si_52010

    • Author(s)
      H.Hidaka, et al.
    • Journal Title

      Physica C 470(印刷中)

    • Peer Reviewed
  • [Journal Article] Magneto-Optical Observations of Vortex Penetration into Bi_2Sr_2CaCu_2O_<8+y> with Periodic Pinning Potentials2010

    • Author(s)
      T.Tamegai, et al.
    • Journal Title

      Physica C 470(印刷中)

    • Peer Reviewed
  • [Journal Article] Doping Dependence of Magnetic and Transport Properties in Single Crystalline Co-Doped BaFe_2As_22010

    • Author(s)
      Y.Nakajima, et al.
    • Journal Title

      Physica C 470(印刷中)

    • Peer Reviewed
  • [Journal Article] Magneto-Optical Imaging of Iron-Oxypnictide Superconductor LaFeAs(O, F)2010

    • Author(s)
      Y.Nakajima, et al.
    • Journal Title

      Physica C 470(印刷中)

    • Peer Reviewed
  • [Journal Article] Scanning Tunneling Microscopy/Spectroscopy in Iron-Pnictide Superconductor2010

    • Author(s)
      T.Nishizaki, et al.
    • Journal Title

      Physica C 470(印刷中)

    • Peer Reviewed
  • [Journal Article] Experimental evidence for vortex equilibration by an in-plane dc field in Bi_2Sr_2CaCu_2O_82010

    • Author(s)
      I.Gutman, et al.
    • Journal Title

      Physica C 470(印刷中)

    • Peer Reviewed
  • [Journal Article] Superconducting anisotropy in single-crystalline Ba(Fe_<0.93>Co_<0.07>)_2As_2 near Tc2010

    • Author(s)
      T.Nojima, et al.
    • Journal Title

      Physica C 470(印刷中)

    • Peer Reviewed
  • [Journal Article] Magneto-Optical Imaging of Polycrystalline LaFePO_<1-x>F_x2010

    • Author(s)
      Y.Tsuchiya, et al.
    • Journal Title

      Physica C 470(印刷中)

    • Peer Reviewed
  • [Journal Article] Magnetic Domain Structures in Superconductor/Ferromagnet Bilayer2010

    • Author(s)
      Y.Nakao, et al.
    • Journal Title

      Physica C 470(印刷中)

    • Peer Reviewed
  • [Journal Article] Anomalous Vortex Penetrations into Square Superconducting Networks2010

    • Author(s)
      Y.Tsuchiya, et al.
    • Journal Title

      Physica C 470(印刷中)

    • Peer Reviewed
  • [Journal Article] Intergranular current in iron-oxypnictide superconductors2010

    • Author(s)
      T.Tamegai, et al.
    • Journal Title

      Physica C 470(印刷中)

    • Peer Reviewed
  • [Journal Article] Charactehzation of Superconductivity in Fe(Te_<1-x>Se_x)Single Crystals with T_c=14 K2010

    • Author(s)
      T.Taen, et al.
    • Journal Title

      Physica C 470(印刷中)

    • Peer Reviewed
  • [Journal Article] Preferential Diagonal Penetration of Vortices into Square Superconducting Networks2010

    • Author(s)
      T.Tamegai, et al.
    • Journal Title

      Physica C 470(印刷中)

    • Peer Reviewed
  • [Journal Article] Critical current densities and vortex dynamics in FeTe_<1-x>Se_x single crystals2010

    • Author(s)
      T.Taen, et al.
    • Journal Title

      Physica C 470(印刷中)

    • Peer Reviewed
  • [Journal Article] Narrow Carrier Concentration Range of Superconductivity and Critical Point of Pseudogap Formation Temperature in Pb-Substituted Bi_2Sr_2CuO_<6+δ>2009

    • Author(s)
      K.Kudo, et al.
    • Journal Title

      Journal of the Physical Society of Japan 78

      Pages: 084722

    • Peer Reviewed
  • [Journal Article] Electronic inhomogeneity in Pb-substitued Bi_2Sr_2CuO_<6+δ> studied by STM/STS measurements2009

    • Author(s)
      K.Kudo, et al.
    • Journal Title

      Journal of Physics : Conference Series 150

      Pages: 052133

    • Peer Reviewed
  • [Journal Article] Optical imaging of quantum Hall current in GaAs/AlGaAs two-dimensional electron system2009

    • Author(s)
      K.Oto, et al.
    • Journal Title

      AIP Conference Proceedings 1199

      Pages: 245-246

    • Peer Reviewed
  • [Journal Article] Time-resolved kerr rotation spectroscopy of spin dynamics in a quantum Hall system2009

    • Author(s)
      D.Fukuoka, et al.
    • Journal Title

      AIP Conference Proceedings 1199

      Pages: 243-244

    • Peer Reviewed
  • [Journal Article] Quantum Hall effect and spin resolved anti-crossing of Landau levels in AlGaSbAs/InAs and AllnSb/InAsSb quantum wells2009

    • Author(s)
      T.Yoshida, et al.
    • Journal Title

      AIP Conference Procedings 1199

      Pages: 255-256

    • Peer Reviewed
  • [Journal Article] High-resolution spin-flip raman scattering in CdTe quantum wells at 3He temperature2009

    • Author(s)
      R.Shen, et al.
    • Journal Title

      Phys.Rev.B 80

      Pages: 125312(1-4)

    • Peer Reviewed
  • [Journal Article] Electron spin imaging in quantum Hall devices by Kerr rotation measurement2009

    • Author(s)
      K.Oto, et al.
    • Journal Title

      Int.J.of Modern Phys.B 23

      Pages: 2750-2754

    • Peer Reviewed
  • [Journal Article] Optically induced dynamic nuclear spin polarization in quantum Hall regime observed by a time-resolved Kerr rotation2009

    • Author(s)
      D.Fukuoka, et al.
    • Journal Title

      Int.J.of Modern Phys.B 23

      Pages: 2755-2759

    • Peer Reviewed
  • [Journal Article] Spin resolved subband-Landau-level coupling and electron-hole coupling in InAs/AlGaSbAs quantum well2009

    • Author(s)
      T.Yoshida, et al.
    • Journal Title

      Int.J.of Modern Phys.B 23

      Pages: 2905-2909

    • Peer Reviewed
  • [Journal Article] Textures and Non-Abelian Vortices in Atomic d-Wave Paired Fermi Condensates2009

    • Author(s)
      H.M.Adachi, et al.
    • Journal Title

      J.Phys.Soc.Jpn. 78

      Pages: 113301, 1-4

    • Peer Reviewed
  • [Journal Article] Effect of antiferromagnetic ordering on temperature dependent superconducting gap in ErNi_2B_2C : Laser-photoemission spectroscopy2009

    • Author(s)
      T.Baba, et al.
    • Journal Title

      Physica C 469

      Pages: 928-931

    • Peer Reviewed
  • [Journal Article] Flux line lattice form factor and paramagnetic effects in type II superconductors2009

    • Author(s)
      M.Ichioka, et al.
    • Journal Title

      J.Phys.: Conf.Ser. 150

      Pages: 052074, 1-4

    • Peer Reviewed
  • [Journal Article] Possible Sign-Reversing s-Wave Superconductivity in Co-doped BaFe_2As_2 : Thermal Transport Studies2009

    • Author(s)
      Y.Machida, et al.
    • Journal Title

      J.Phys.Soc.Jpn. 78

      Pages: 073705

    • Peer Reviewed
  • [Journal Article] Enhancement of Critical Current Densities in Co-Doped BaFe_2As_2 with Columnar Defects Introduced by Heavy-Ion Irradiation2009

    • Author(s)
      Y.Nakajima, et al.
    • Journal Title

      Phys.Rev.B 80

      Pages: 012510

    • Peer Reviewed
  • [Journal Article] Superconductivity at T_c~14 K in Single Crystalline FeTe_<0.61>Se_<0.39>2009

    • Author(s)
      T.Taen, et al.
    • Journal Title

      Phys.Rev.B 80

      Pages: 092502

    • Peer Reviewed
  • [Journal Article] Three-dimensional electronic structure of superconducting iron pnictides observed by angle-resolved photoemission spectroscopy2009

    • Author(s)
      W.Malaeb, et al.
    • Journal Title

      J.Phys Soc.Jpn. 78

      Pages: 123706

    • Peer Reviewed
  • [Journal Article] Transport Properties Governed by the Inductance of the Edges in Bi_2Sr_2 CaCu_2O_82009

    • Author(s)
      H.Beidenkopf, et al.
    • Journal Title

      Phys.Rev.B 80

      Pages: 224526

    • Peer Reviewed
  • [Journal Article] Anomalous flux propagation through interface separating regions of different critical currents in Bi_2Sr_2CaCu_2O_<8+d> crystals2009

    • Author(s)
      D.Barness, et al.
    • Journal Title

      J.Phys.Conf.Ser. 150

      Pages: 052017

    • Peer Reviewed
  • [Journal Article] Vortex 'puddles' and magic vortex numbers in mesoscopic superconducting disks2009

    • Author(s)
      M.R.Connolly, et al.
    • Journal Title

      J.Phys.Conf.Ser. 150

      Pages: 052039

    • Peer Reviewed
  • [Journal Article] Field dependence of critical current density in flat superconductors2009

    • Author(s)
      R.Kondo, et al.
    • Journal Title

      J.Phys.Conf.Ser. 150

      Pages: 052120

    • Peer Reviewed
  • [Journal Article] Low-temperature specific-heat study of R_5Ir_4Si_<10>(R=Sc, Lu)2009

    • Author(s)
      Y.Nakajima, et al.
    • Journal Title

      J.Phys.Conf.Ser. 150

      Pages: 052180

    • Peer Reviewed
  • [Journal Article] Vortex phase transitions in Bi_2Sr_2CaCu_2O_<8+x> probed by nonlinear AC magnetic response2009

    • Author(s)
      I.Sochnikov, et al.
    • Journal Title

      J.Phys.Conf.Ser. 150

      Pages: 052244

    • Peer Reviewed
  • [Journal Article] Shrinkage of magnetic domains in superconductor/ferromagnet bilayer2009

    • Author(s)
      T.Tamegai, et al.
    • Journal Title

      J.Phys.Conf.Ser. 150

      Pages: 052263

    • Peer Reviewed
  • [Journal Article] Two-gap superconductivity in R_2Fe_3Si_5(R=Lu and Sc)2009

    • Author(s)
      T.Tamegai, et al.
    • Journal Title

      J.Phys.Conf.Ser. 150

      Pages: 052264

    • Peer Reviewed
  • [Journal Article] Visualization of vortices in finite superconducting network by magneto-optical imaging2009

    • Author(s)
      T.Tamegai, et al.
    • Journal Title

      J.Phys.Conf.Ser. 150

      Pages: 052265

    • Peer Reviewed
  • [Journal Article] Real-space observation of magnetic domain structure at metamagnetic tansition in a triple-layer ruthenate Sr_4Ru_3O_<10>2009

    • Author(s)
      Y.Nakajima, et al.
    • Journal Title

      J.Phys.Conf.Ser. 150

      Pages: 052265

    • Peer Reviewed
  • [Journal Article] Magnetic flux oscillations in partially irradiated Bi_2Sr_2CaCu_2O_<8+d> crystals2009

    • Author(s)
      D.Barness, et al.
    • Journal Title

      J.Appl.Phys 105

      Pages: 07E310

    • Peer Reviewed
  • [Journal Article] Magneto-optical imaging of iron-oxypnictide SmFeAsO_<1-x>F_x and SmFeAsO_<1-y>2009

    • Author(s)
      T.Tamegai, et al.
    • Journal Title

      Physica C 469

      Pages: 915-920

    • Peer Reviewed
  • [Journal Article] Anomalous upper critical field in ternary-iron silicide superconductor Lu_2Fe_3Si_52009

    • Author(s)
      Y.Nakajima, et al.
    • Journal Title

      Physica C 469

      Pages: 921-923

    • Peer Reviewed
  • [Journal Article] Non-magnetic impurity effect in two-gap superconductor Lu_2Fe_3Si_52009

    • Author(s)
      H.Hidaka, et al.
    • Journal Title

      Physica C 469

      Pages: 999-1001

    • Peer Reviewed
  • [Journal Article] Magneto-optical imaging of vortex arrangements in Pb finite superconducting network2009

    • Author(s)
      Y.Tsuchiya, et al.
    • Journal Title

      Physica C 469

      Pages: 1084-1087

    • Peer Reviewed
  • [Presentation] STM/STSによる非超伝導過剰ドープPb置換Bi2201の局所電子状態観察2010

    • Author(s)
      岡本大地, 他
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大学
    • Year and Date
      20100320-20100323
  • [Presentation] ハイブリッドマグネットを用いた強磁場STMの開発II2010

    • Author(s)
      西嵜照和, 他
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大学
    • Year and Date
      20100320-20100323
  • [Presentation] (Pr_<1-y>RE_y)_<1-x>Ca_xCoO_3(RE=Gd, Y)の金属・絶縁体およびスピン状態転移への磁場効果2010

    • Author(s)
      内藤智之, 他
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大学
    • Year and Date
      20100320-20100323
  • [Presentation] ボロンドープダイヤモンドにおける渦糸構造のSTM/STS観測2010

    • Author(s)
      西嵜照和, 他
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大学
    • Year and Date
      20100320-20100323
  • [Presentation] CoドープBaFe_2As_2における臨界電流と磁束ダイナミクスの重イオン照射効果2010

    • Author(s)
      柳生田英徳, 他
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大学
    • Year and Date
      20100320-20100323
  • [Presentation] 非磁性不純物によるLu_2Fe_3Si_5における2つの超伝導ギャップの変化2010

    • Author(s)
      日高輝, 他
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大学
    • Year and Date
      20100320-20100323
  • [Presentation] 微細加工超伝導体中の渦糸ダイナミクス2010

    • Author(s)
      為ヶ井強
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大学
    • Year and Date
      20100320-20100323
  • [Presentation] 正方格子超伝導ネットワークにおける臨界電流の異方性2010

    • Author(s)
      土屋雄司, 他
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大学
    • Year and Date
      20100320-20100323
  • [Presentation] Pb単結晶/ガーネット二層構造におけるガーネットの磁区構造2010

    • Author(s)
      中尾吉男, 他
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大学
    • Year and Date
      20100320-20100323
  • [Presentation] FeTe_xSe_<1-x>における磁束ダイナミクスと重イオン照射効果2010

    • Author(s)
      田縁俊光, 他
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大学
    • Year and Date
      20100320-20100323
  • [Presentation] 2ギャップ超伝導体Lu_2Fe_3Si_5の低温磁場中比熱2010

    • Author(s)
      仲島康行, 他
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大学
    • Year and Date
      20100320-20100323
  • [Presentation] 銅酸化物高温超伝導体におけるホールドープに伴う局所秩序の出現2010

    • Author(s)
      幸坂祐生, 他
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大学
    • Year and Date
      20100320-20100323
  • [Presentation] 高周波測定対応STMと表面電子スピン検出2010

    • Author(s)
      小野雅紀, 他
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大学
    • Year and Date
      20100320-20100323
  • [Presentation] 分光イメージングSTMで見た鉄系超伝導体のギャップ対称性2010

    • Author(s)
      花栗哲郎
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大学
    • Year and Date
      20100320-20100323
  • [Presentation] Kerr顕微鏡によるv=1量子ホール状態の局所占有数と電流分布2010

    • Author(s)
      松田貴治, 他
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大学
    • Year and Date
      20100320-20100323
  • [Presentation] ポッケルス効果によるGaAs量子ホール系の電位分布測定2010

    • Author(s)
      山田哲也, 他
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大学
    • Year and Date
      20100320-20100323
  • [Presentation] ナノファイバー上にACCVD成長させた単層カーボンナノチューブの単分子計測2010

    • Author(s)
      長能卓哉, 他
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大学
    • Year and Date
      20100320-20100323
  • [Presentation] 単層グラフェンにおける電荷中性点付近の磁気抵抗2010

    • Author(s)
      吉田高英, 他
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大学
    • Year and Date
      20100320-20100323
  • [Presentation] 光ファイバを用いた偏光干渉分光測定系の開発2010

    • Author(s)
      瀬尾宗隆, 他
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大学
    • Year and Date
      20100320-20100323
  • [Presentation] UPt_3の角度分解磁場中比熱測定による超伝導ギャップ対称性の観測2010

    • Author(s)
      安幸治, 他
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大学
    • Year and Date
      20100320-20100323
  • [Presentation] 渦糸格子構造相転移における一次転移の理論2010

    • Author(s)
      鈴木健太, 他
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大学
    • Year and Date
      20100320-20100323
  • [Presentation] d波超伝導体における面内磁場回転比熱振動の準古典理論評価2010

    • Author(s)
      平木将行, 他
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大学
    • Year and Date
      20100320-20100323
  • [Presentation] 大強度中性子ビームによるスピンダイナミクスの研究に向けた高品質YBa_2Cu_3O_<6+d>の単結晶育成2010

    • Author(s)
      阿井雄貴, 他
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大学
    • Year and Date
      20100320-20100323
  • [Presentation] 磁場中輸送特性に正るBi-2212の擬ギャップ相図2010

    • Author(s)
      村田康介, 他
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大学
    • Year and Date
      20100320-20100323
  • [Presentation] Effect of Heavy-ion Irradiation in Co-doped BaFe_2As_22010

    • Author(s)
      為ヶ井強, et al.
    • Organizer
      APS March meeting
    • Place of Presentation
      Portland, Oregon, USA
    • Year and Date
      20100315-20100319
  • [Presentation] High Field magneto-transport around Dirac point in monolayer graphene2010

    • Author(s)
      吉田高英, et al.
    • Organizer
      5th International Workshop on "Electronic Structure and Processes at Molecular-Based Interfaces"(ESPMI-V)
    • Place of Presentation
      Chiba University, Chiba, Japan
    • Year and Date
      20100125-20100128
  • [Presentation] Imaging of electron spin in current-carrying quantum Hall states by scanning Kerr microscope2010

    • Author(s)
      K.Oto, et al.
    • Organizer
      The 10th Quantum Transport Nano-Hana International Workshop on "Recent highlight in QHE studies"(QTNH-10)
    • Place of Presentation
      Chiba University, Chiba, Japan
    • Year and Date
      2010-01-28
  • [Presentation] Critical Current Densities in Fe-Pnictides and Fe-Chalcogenides2009

    • Author(s)
      為ヶ井強, et al.
    • Organizer
      14^<th> US-Japan Workshop on Advanced Superconductors
    • Place of Presentation
      Tallahassee, Florida, USA
    • Year and Date
      20091214-20091215
  • [Presentation] Development of Scanning Tunneling Microscope for Cryogen-free Superconducting Magnet and Hybrid Magnet2009

    • Author(s)
      西嵜照和, et al.
    • Organizer
      Joint IMR International Symposium : High Magnetic Field Spin Science in 100T VI, Applicaton of High Magnetic Field for Condensed Matter and Material Science
    • Place of Presentation
      Sendai, Japan
    • Year and Date
      20091207-20091209
  • [Presentation] Magnetic-Field Effects on the Local Electronic States of Pb-Substituted Bi_2Sr_2CuO_<6+d> Studied by the Scanning Tunneling Microscopy/Spectroscopy2009

    • Author(s)
      工藤一貴, et al.
    • Organizer
      6th International Symposium on High Magnetic Field Spin Science in 100 T
    • Place of Presentation
      Sendai, Japan
    • Year and Date
      20091207-20091209
  • [Presentation] Imaging of Local Filing Factor near v=1 Quantum Hall State by Scanning Kerr Microscope in High Magnetic Fields2009

    • Author(s)
      K.Oto, et al.
    • Organizer
      Joint IMR International Symposium High Magnetic Field Spin Science in 100T VI ; Application of High Magnetic Field for Condensed Matter and Material Sciences
    • Place of Presentation
      Tohoku University, Sendai, Japan
    • Year and Date
      20091207-20091209
  • [Presentation] Kerr Rotation Spectra of 2D Electrons in GaAs/AlGaAs Quantum Well2009

    • Author(s)
      伊藤裕紀, et al.
    • Organizer
      Joint IMR International Symposium High Magnetic Field Spin Science in 100T VI ; Application of High Magnetic Field for Condensed Matter and Material Sciences
    • Place of Presentation
      Tohoku University, Sendai, Japan
    • Year and Date
      20091207-20091209
  • [Presentation] Magneto-transport near Dirac Point in Monolayer Graphenel2009

    • Author(s)
      吉田高英, et al.
    • Organizer
      Joint IMR International Symposium High Magnetic Field Spin Science in 100T VI ; Application of High Magnetic Field for Condensed Matter and Material Sciences
    • Place of Presentation
      Tohoku University, Sendai, Japan
    • Year and Date
      20091207-20091209
  • [Presentation] Generic First Order Orientation Transition of Vortex Lattices in Type II Superconductors2009

    • Author(s)
      K.Machida
    • Organizer
      Joint IMR International Symposium, High Magnetic Field Spin Science in 100T VI, Application of High Magnetic Field for Condensed Matter and Material Sciences
    • Place of Presentation
      Tohoku University, Sendai, Japan
    • Year and Date
      20091207-20091209
  • [Presentation] Irreversible Magnetic Properties of Fe-Pnictides and Fe-Chalcogenides2009

    • Author(s)
      為ヶ井強, et al.
    • Organizer
      6th International Symposium on High Magnetic Field Spin Science in 100 T
    • Place of Presentation
      Sendai, Japan
    • Year and Date
      20091207-20091209
  • [Presentation] Intergranular current in iron-oxypnictide superconductors2009

    • Author(s)
      為ヶ井強, et al.
    • Organizer
      22^<nd> International Symposium on Superconductivity
    • Place of Presentation
      Tsukuba, Japan
    • Year and Date
      20091102-20091104
  • [Presentation] K_<0.3>MoO_3単結晶の低温STM観察II2009

    • Author(s)
      真木一, 他
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学
    • Year and Date
      20090925-20090928
  • [Presentation] (Pb, La)置換Bi_2Sr_2CuO_y単結晶の作製と評価2009

    • Author(s)
      岡本大地, 他
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学
    • Year and Date
      20090925-20090928
  • [Presentation] STM/STSによるPb置換Bi2201の磁場中局所電子状態の観察2009

    • Author(s)
      工藤一貴, 他
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学
    • Year and Date
      20090925-20090928
  • [Presentation] La_<2-x-y>Sr_xCe_yCuO_4単結晶の磁束状態III2009

    • Author(s)
      内藤智之, 他
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学
    • Year and Date
      20090925-20090928
  • [Presentation] SmFeAs(O, F)とLaFeP(O, F)における粒内・粒間臨界電流密度2009

    • Author(s)
      為ヶ井強, 他
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学
    • Year and Date
      20090925-20090928
  • [Presentation] 鉄砒素系超伝導体Ba(Fe_<0.9>Co_<0.1>)_2As_2単結晶の電子異方性2009

    • Author(s)
      野島勉, 他
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学
    • Year and Date
      20090925-20090928
  • [Presentation] 周期微細構造を持つBi2Sr2CaCu2O8+yにおける磁束量子のダイナミクス2009

    • Author(s)
      為ヶ井強, 他
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学
    • Year and Date
      20090925-20090928
  • [Presentation] 正方格子超伝導ネットワークにおける特異な磁束侵入の磁気光学イメージング2009

    • Author(s)
      土屋雄司, 他
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学
    • Year and Date
      20090925-20090928
  • [Presentation] 重イオン熊射した単結晶Ba(Fe, Co)_2As_2の臨界電流および磁束クリープ特性2009

    • Author(s)
      仲島康行, 他
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学
    • Year and Date
      20090925-20090928
  • [Presentation] 超伝導体/強磁性体二層膜における超伝導状態の磁気光学イメージング2009

    • Author(s)
      中尾吉男, 他
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学
    • Year and Date
      20090925-20090928
  • [Presentation] 不純物ドープした鉄珪化物超伝導体Lu_2Fe_3Si_5の高品質試料の合成2009

    • Author(s)
      日高輝, 他
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学
    • Year and Date
      20090925-20090928
  • [Presentation] FeTe_xSe_<1-x>単結晶のアニールによる超伝導特性2009

    • Author(s)
      田縁俊光, 他
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学
    • Year and Date
      20090925-20090928
  • [Presentation] Fe_<1+x>(Se, Te)のSTM/STS2009

    • Author(s)
      花栗哲郎, 他
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学
    • Year and Date
      20090925-20090928
  • [Presentation] 高周波測定対応STMの開発と表面電子スピンの検出について2009

    • Author(s)
      小野雅紀, 他
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学
    • Year and Date
      20090925-20090928
  • [Presentation] ZnSe/BeTe量子井戸における光誘起Kerrスペクトル測定2009

    • Author(s)
      三野弘文, 他
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学
    • Year and Date
      20090925-20090928
  • [Presentation] 量子ホール2次元電子系における光学遷移の占有数依存性2009

    • Author(s)
      伊藤裕紀, 他
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学
    • Year and Date
      20090925-20090928
  • [Presentation] 量子ホール強磁性状態における乱雑ポテンシャルによるスピン波の崩壊2009

    • Author(s)
      福岡大輔, 他
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学
    • Year and Date
      20090925-20090928
  • [Presentation] グラファイト磁気キャパシタンス振動の起源2009

    • Author(s)
      吉田高英, 他
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学
    • Year and Date
      20090925-20090928
  • [Presentation] CeCoIn_5の角度分解磁場中比熱測定による超伝導ギャップ構造の観測2009

    • Author(s)
      安幸治, 他
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学
    • Year and Date
      20090925-20090928
  • [Presentation] 中性フェルミ原子気体におけるd波超瀬の渦構造の理論2009

    • Author(s)
      足立浩基, 他
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学
    • Year and Date
      20090925-20090928
  • [Presentation] フェルミ原子気体のp波超流動におけるマヨラナ状態の安定性2009

    • Author(s)
      堤康雅, 他
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学
    • Year and Date
      20090925-20090928
  • [Presentation] 長距離相互作用を持つBECにおける渦芯近傍での粒子密度振動と低励起スペクトル2009

    • Author(s)
      水島健, 他
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学
    • Year and Date
      20090925-20090928
  • [Presentation] F=2スピナーBECにおけるコアレス量子渦状態の動的不安定性2009

    • Author(s)
      高橋雅裕, 他
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学
    • Year and Date
      20090925-20090928
  • [Presentation] 第2種超伝導体における渦糸格子構造の配向の1次相転移の理論2009

    • Author(s)
      井上謙二, 他
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学
    • Year and Date
      20090925-20090928
  • [Presentation] FFLO状態の磁場変化についての準古典理論計算2009

    • Author(s)
      鈴木健太, 他
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学
    • Year and Date
      20090925-20090928
  • [Presentation] Preferential Diagonal Penetration of Vortices into Square Superconducting Networks2009

    • Author(s)
      為ヶ井強, et al.
    • Organizer
      Sixth International Conference in School Format on Vortex Matter in Nanostructured Superconductors(VORTEX VI)
    • Place of Presentation
      Rhodes, Greece
    • Year and Date
      20090917-20090924
  • [Presentation] Flux line lattice form factor studied by Eilenberger theory2009

    • Author(s)
      M.Ichioka, et al.
    • Organizer
      The 12th International Workshop on Vortex Matter in Superconductors
    • Place of Presentation
      東京大学山中寮(山中湖村)
    • Year and Date
      20090912-20090916
  • [Presentation] Vortex dynamics in heavy-ion irradiated Ba(Fe_<1-x>Co_x)_2As_2 and FeTe_<1-x> Se_x2009

    • Author(s)
      為ヶ井強, et al.
    • Organizer
      12^<th> Workshop on Vortex Matter in Superconductors
    • Place of Presentation
      lake Yamanaka, Japan
    • Year and Date
      20090912-20090916
  • [Presentation] STM/STS Studies on the Energy Gap of Pb-Substituted Bi_2Sr_2CuO_<6+d> in Magnetic Fields2009

    • Author(s)
      工藤一貴, et al.
    • Organizer
      9th International Conference on Materials and Mechanism of Superconductivity
    • Place of Presentation
      Tokyo, Japan
    • Year and Date
      20090907-20090912
  • [Presentation] Vortex Lattice Transformation in d-wave Superconductors with Pauli Paramagnetic Effect2009

    • Author(s)
      鈴木健太, et al.
    • Organizer
      9th International Conference on Materials and Mechanisms of Superconductivity(M2S-IX Tokyo 2009)
    • Place of Presentation
      Keio Plaza Hotel, Tokyo, Japan
    • Year and Date
      20090907-20090912
  • [Presentation] Magneto-Optical Observations of Vortex Penetration into Bi_2Sr_2CaCu_2O_<8+y> with Periodic Pinning Potentials2009

    • Author(s)
      為ヶ井強, et al.
    • Organizer
      9^<th> International Conference on Materials and Mechanisms of Superconductivity
    • Place of Presentation
      Shinjyuku, Japan
    • Year and Date
      20090907-20090912
  • [Presentation] Textures and exotic vortices in neutral Fermi superfluids2009

    • Author(s)
      K.Machida, et al.
    • Organizer
      International Symposium on Quantum Fluids and Solids 2009(QFS2009)
    • Place of Presentation
      Northwestern University, Illinois, USA
    • Year and Date
      20090805-20090811
  • [Presentation] Imaging of local filling factor in current flowing v=1 quantum Hall state by scanning Kerr microscope2009

    • Author(s)
      K.Oto, et al.
    • Organizer
      18th Int.Conf.on Electronic Properties of Two-dimensional Systems(EP2DS-18)
    • Place of Presentation
      Kobe, Japan
    • Year and Date
      20090719-20090724
  • [Presentation] Spin relaxation mechanism in a quantum Hall ferromagnet2009

    • Author(s)
      福岡大輔, et al.
    • Organizer
      18th Int.Conf.on Electronic Properties of Two-dimensional Systems(EP2DS-18)
    • Place of Presentation
      Kobe, Japan
    • Year and Date
      20090719-20090724
  • [Presentation] Graphene-like magneto-oscillations in graphite capacitor2009

    • Author(s)
      吉田高英, et al.
    • Organizer
      18th Int.Conf.on Electronic Properties of Two-dimensional Systems(EP2DS-18)
    • Place of Presentation
      Kobe, Japan
    • Year and Date
      20090719-20090724
  • [Presentation] Sensitive detection of the spin polarization in a quantum Hall regime by a Kerr rotation measurement2009

    • Author(s)
      伊藤裕紀, et al.
    • Organizer
      18th Int.Conf.on Electronic Properties of Two-dimensional Systems(EP2DS-18)
    • Place of Presentation
      Kobe, Japan
    • Year and Date
      20090719-20090724
  • [Presentation] Vortex states in superconductors with strong paramagnetic effects2009

    • Author(s)
      M.Ichioka, et al.
    • Organizer
      "New Developments in Theory of Superconductivity" Symposium
    • Place of Presentation
      東京大学物性研究所(柏)
    • Year and Date
      20090708-20090710
  • [Presentation] Magnetic Field Effects on the Local Electronic States of Pb-Substituted Bi_2Sr_2CuO_<6+d> Studied by the Scanning Tunneling Microscopy/Spectroscopy2009

    • Author(s)
      工藤一貴, et al.
    • Organizer
      ICC-IMR workshop "Physics on Transition Metal Based Superconductors"
    • Place of Presentation
      Sendai, Japan
    • Year and Date
      20090624-20090626
  • [Presentation] 単層Bi系高温超伝導体のエネルギーギャップに対する磁場効果2009

    • Author(s)
      工藤一貴, 他
    • Organizer
      特定領域"100テスラ領域の強磁場スピン科学"2009スタートアップ会議
    • Place of Presentation
      東京大学物性研究所(柏)
    • Year and Date
      20090522-20090523
  • [Presentation] Critical Current Densities and Vortex Dynamics in Ba(Fe_<1-x>Co_x)_2As_2 Single Crystals2009

    • Author(s)
      為ヶ井強, et al.
    • Organizer
      Seventh International Conference on New Theories
    • Place of Presentation
      Discoveries and Applications of Superconductors and Related Materials, Beijing, China
    • Year and Date
      20090513-20090516
  • [Presentation] Sign-Reversing s-Wave Superconductivity Probed by High-Field STM2009

    • Author(s)
      花栗哲郎
    • Organizer
      Joint IMR International Symposium High Magnetic Field Spin Science in 100T VI Application of High Magnetic Field for Condensed Matter and Material Sciences
    • Place of Presentation
      (東北大学)仙台市
    • Year and Date
      2009-12-07
  • [Presentation] Sign-reversing s-wave Superconductivity in an Iron-based Superconductor Probed by Phase-sensitive STM2009

    • Author(s)
      花栗哲郎
    • Organizer
      RIKEN workshop "Emergent Phenomena of Correlated Materials"
    • Place of Presentation
      (理化学研究所)和光市
    • Year and Date
      2009-12-04
  • [Presentation] Landau quantization of Dirac electrons in the metallic surface state of a topological insulator Bi_2Se_32009

    • Author(s)
      花栗哲郎
    • Organizer
      RIKEN workshop "Emergent Phenomena of Correlated Materials"
    • Place of Presentation
      (理化学研究所)和光市
    • Year and Date
      2009-12-03
  • [Presentation] 鉄系超伝導体のSTM2009

    • Author(s)
      花栗哲郎
    • Organizer
      ワークショップ「鉄系高温超伝導体研究の最前線」~「メカニズムおよび物性のレビューと展望」~
    • Place of Presentation
      (システム計算科学センター)東京都
    • Year and Date
      2009-11-28
  • [Presentation] STM/STSによるBi系高温超伝導体の局所電子状態と周期構造の観察2009

    • Author(s)
      工藤一貴, 他
    • Organizer
      金研中性子散乱研究会シリーズ「中性子を用いた新しいマテリアルサイエンスの検討」~J-PARC稼働による中性子新時代へむけて~
    • Place of Presentation
      東北大学金属材料研究所(仙台)
    • Year and Date
      2009-11-11
  • [Presentation] ハイブリッド磁石による輸送現象2009

    • Author(s)
      工藤一貴
    • Organizer
      特定領域研究"100テスラ領域の強磁場スピン科学"若手道場2009
    • Place of Presentation
      熊本大学
    • Year and Date
      2009-09-24
  • [Presentation] Phase-sensitive quasi-particle interference effects in high-T_c superconductors2009

    • Author(s)
      花栗哲郎
    • Organizer
      9th International Conference on Materials and Mechanisms of Superconductivity(M2S-IX)
    • Place of Presentation
      (Keio Plaza Hotel)東京都
    • Year and Date
      2009-09-08
  • [Presentation] Spectroscopic-imaging STM studies on iron-based superconductors2009

    • Author(s)
      花栗哲郎
    • Organizer
      ICC-IMR workshop "Physics on Transition Metal Based Superconductors"
    • Place of Presentation
      (東北大学)仙台市
    • Year and Date
      2009-06-25
  • [Presentation] Scanning Tunneling Microscopy As A Tool for Exploring The Electronic States of Complex Materials2009

    • Author(s)
      花栗哲郎
    • Organizer
      3rd International Conference on Science and Technology for Advanced Ceramics(STAC3)
    • Place of Presentation
      (メルパルク横浜)横浜市
    • Year and Date
      2009-06-16
  • [Presentation] Magnetic-field effects on the quasi-particle interference in cuprates2009

    • Author(s)
      花栗哲郎
    • Organizer
      Gordon Research Conference on Superconductivity
    • Place of Presentation
      中国 香港
    • Year and Date
      2009-06-10
  • [Book] 超伝導ハンドブック「3.4.ボルテックスマターの物理」2009

    • Author(s)
      福山秀敏, 他
    • Total Pages
      255-265
    • Publisher
      朝倉書店
  • [Remarks]

    • URL

      http://spin100.imr.tohoku.ac.jp/

URL: 

Published: 2011-06-16   Modified: 2016-04-21  

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